... > SECTION XV - BASE METALS AND ARTICLES OF BASE METAL > CHAPTER 72 - IRON AND STEEL > IV. OTHER ALLOY STEEL; HOLLOW DRILL BARS AND RODS, OF ALLOY OR NON-ALLOY STEEL > 7226 Flat-rolled products of other alloy steel, of a width of less than 600 mm > Other > Not further worked than hot-rolled > Of tool steel